{"id":"CVE-2006-0433","aliases":["EUVD-2006-0440","GHSA-pjw2-8x38-jc3c"],"status":"published","title":"Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming...","description":"Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02876,"percentile":0.86945,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-02-02T11:00:00Z","modified":"2026-06-16T22:20:35Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://www.vupen.com/english/advisories/2006/0409","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:08.sack.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred"]},{"url":"http://www.osvdb.org/22861","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/bid/16466","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://securitytracker.com/id?1015566","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://securityreason.com/securityalert/399","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24453","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/18696","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0433"},{"url":"https://github.com/advisories/GHSA-pjw2-8x38-jc3c"}],"sources":{"cve":[{"id":"CVE-2006-0433","description":"Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).","status":"published","published":"2006-02-02T11:00:00Z","modified":"2024-08-07T16:34:14.833Z","updated_at":"2026-11-02T14:33:52.569914Z"}],"euvd":[{"id":"EUVD-2006-0440","description":"Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).","status":"published","published":"2006-02-02T11:00:00Z","modified":"2024-08-07T16:34:14Z","updated_at":"2026-11-03T01:16:09.484912Z"}],"ghsa":[{"id":"GHSA-pjw2-8x38-jc3c","title":"Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming...","description":"Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).","status":"published","published":"2022-05-03T03:15:32Z","modified":"2023-02-01T05:01:16Z","updated_at":"2026-11-02T14:49:41.640503Z"}],"nvd":[{"id":"CVE-2006-0433","description":"Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).","status":"published","published":"2006-02-02T11:02:00Z","modified":"2026-06-16T22:20:35.867Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:00.269596Z"}]}}